Home / 83,508.39-115,241.40-45,782.64

Finding the Fourth Proportional to 83,508.39, 115,241.40 and 45,782.64

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Solution

The fourth proportional to 83,508.39, 115,241.40 and 45,782.64 is: 63,179.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,508.39 : 115,241.40 = 45,782.64 : x
  2. Step 2: Convert to fraction form
    83,508.39/115,241.40 = 45,782.64/x
  3. Step 3: Cross multiply
    83,508.39x = 115,241.40 × 45,782.64
  4. Step 4: Simplify right side
    83,508.39x = 5,276,055,529.30
  5. Step 5: Solve for x
    x = 5,276,055,529.30/83,508.39
  6. Step 6: Final answer
    x = 63,179.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.